73230941
Sep 11, 1979
Jun 23, 1981
Active Trademark
Differential Pressure Gauges for Use in Measuring Fluid Pressure Drops; Surge Protector and Pulsation Dampeners for Protecting Instruments Against Pressure Surges; Portable Flow Measuring Instruments for Measuring Fluid Flow and Differential Pressures: Pressure Gauges; and Averaging Pitot Tubes or Flow Sensors for Generating Differential Pressure Proportional to Fluid Flow
Electrical and Scientific Apparatus